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Flip Y coordinates on textures on UIShader

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This commit is contained in:
Dominic Masters
2023-12-14 11:20:14 -06:00
parent 0224ec3af3
commit 283df10f86
9 changed files with 120 additions and 44 deletions
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2
src/dawn/component/ui/UICanvas.cpp
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@@ -66,7 +66,7 @@ void UICanvas::addQuad(
const struct Color color,
const std::shared_ptr<Texture> text
) {
float_t fTexture = -1;
float_t fTexture;
if(text == nullptr) {
fTexture = -1;
} else {

1
src/dawn/display/shader/CMakeLists.txt
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@@ -6,5 +6,6 @@
# Sources
target_sources(${DAWN_TARGET_NAME}
PRIVATE
IShader.cpp
IShaderStage.cpp
)

46
src/dawn/display/shader/IShader.cpp Normal file
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@@ -0,0 +1,46 @@
// Copyright (c) 2023 Dominic Masters
//
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT
#include "display/shader/Shader.hpp"
#include "assert/assert.hpp"
#include "display/Color.hpp"
#include "display/Texture.hpp"
using namespace Dawn;
size_t shaderParameterTypeGetSize(const enum ShaderParameterType type) {
switch(type) {
case ShaderParameterType::VEC2:
return sizeof(glm::vec2);
case ShaderParameterType::VEC3:
return sizeof(glm::vec3);
case ShaderParameterType::VEC4:
return sizeof(glm::vec4);
case ShaderParameterType::MAT3:
return sizeof(glm::mat3);
case ShaderParameterType::MAT4:
return sizeof(glm::mat4);
case ShaderParameterType::COLOR:
return sizeof(struct Color);
case ShaderParameterType::FLOAT:
return sizeof(float);
case ShaderParameterType::INT:
return sizeof(int32_t);
case ShaderParameterType::TEXTURE:
return sizeof(shadertexturebinding_t);
default:
assertUnreachable("Unknown ShaderParameterType");
return 0;
}
}

10
src/dawn/display/shader/IShader.hpp
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@@ -75,4 +75,12 @@ namespace Dawn {
}
};
}
}
/**
* Returns the size of the ShaderParameterType.
*
* @param type The type to get the size of.
* @return Size of the type.
*/
size_t shaderParameterTypeGetSize(const enum Dawn::ShaderParameterType type);

2
src/dawn/ui/UILabel.cpp
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@@ -11,7 +11,7 @@ void UILabel::getSelfQuads(const glm::vec2 t, UICanvas &ctx) {
std::vector<struct UIShaderQuad> quads;
if(this->texture == nullptr) return;
const std::wstring text = L"He";
const std::wstring text = L"Hello World";
glm::vec2 position = t;
glm::vec4 quad;

7
src/dawnhelloworld/scene/HelloWorldScene.cpp
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@@ -22,7 +22,7 @@ using namespace Dawn;
std::shared_ptr<TrueTypeTexture> texture;
void Dawn::helloWorldScene(Scene &s) {
texture = s.getGame()->assetManager.get<TrueTypeTexture>("ysabeau_regular", 16);
texture = s.getGame()->assetManager.get<TrueTypeTexture>("ysabeau_regular", 32);
while(!s.getGame()->assetManager.isLoaded("ysabeau_regular")) {
s.getGame()->assetManager.update();
@@ -54,9 +54,14 @@ void Dawn::helloWorldScene(Scene &s) {
// auto rect = std::make_shared<UIRectangle>();
// rect->position = { -32, -32 };
// rect->size = { 8, 8 };
// rect->color = COLOR_MAGENTA;
// uiCanvas->components.push_back(rect);
// auto rect2 = std::make_shared<UIRectangle>();
// rect2->color = COLOR_BLUE;
// uiCanvas->components.push_back(rect2);
auto label = std::make_shared<UILabel>();
label->setFont(texture);
uiCanvas->components.push_back(label);

42
src/dawnopengl/display/shader/ShaderStructure.hpp
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@@ -60,24 +60,36 @@ namespace Dawn {
getParameters(dummy, this->parameters);
// Update offsets.
std::for_each(
this->parameters.begin(),
this->parameters.end(),
[&](struct ShaderParameter &param) {
param.offset -= (size_t)(&dummy);
auto itParams = this->parameters.begin();
while(itParams != this->parameters.end()) {
struct ShaderParameter &param = *itParams;
param.offset -= (size_t)(&dummy);
// Check for non-aligned OpenGL structures.
if(param.offset % sizeof(glm::vec4) != 0) {
assertUnreachable(
"%s%s%s",
"Non-aligned OpenGL structure detected on param ",
param.name.c_str(),
"!\nEnsure you have padded correctly."
);
}
// Check for non-aligned OpenGL structures.
if(param.offset % sizeof(glm::vec4) != 0) {
assertUnreachable(
"%s%s%s",
"Non-aligned OpenGL structure detected on param ",
param.name.c_str(),
"!\nEnsure you have padded correctly."
);
}
);
if(
itParams == (this->parameters.end() - 1) &&
count > 1 &&
(sizeof(T) % sizeof(glm::vec4)) != 0
) {
assertUnreachable(
"%s%s%s",
"Non-aligned OpenGL structure detected on last element in array structure on param ",
param.name.c_str(),
"!\nEnsure you have padded correctly."
);
}
++itParams;
}
}
};
}

53
src/dawnopengl/display/shader/UIShader.cpp
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@@ -52,22 +52,22 @@ void UIShader::getStages(
"pos.x = quad.quad.x;\n"
"pos.y = quad.quad.y;\n"
"coord.x = quad.uv.x;\n"
"coord.y = quad.uv.y;\n"
"coord.y = quad.uv.w;\n"
"} else if(vertexIndex == 1) {\n"
"pos.x = quad.quad.z;\n"
"pos.y = quad.quad.y;\n"
"coord.x = quad.uv.z;\n"
"coord.y = quad.uv.y;\n"
"coord.y = quad.uv.w;\n"
"} else if(vertexIndex == 2) {\n"
"pos.y = quad.quad.w;\n"
"pos.x = quad.quad.x;\n"
"coord.x = quad.uv.x;\n"
"coord.y = quad.uv.w;\n"
"coord.y = quad.uv.y;\n"
"} else if(vertexIndex == 3) {\n"
"pos.x = quad.quad.z;\n"
"pos.y = quad.quad.w;\n"
"coord.x = quad.uv.z;\n"
"coord.y = quad.uv.w;\n"
"coord.y = quad.uv.y;\n"
"}\n"
"pos.z = 0;\n"
"pos.w = 1;\n"
@@ -88,27 +88,30 @@ void UIShader::getStages(
"out vec4 o_Color;\n"
"void main() {\n"
"vec4 texColor = vec4(1, 1, 1, 1);\n"
// "switch(int(v_TextureIndex)) {\n"
// "case 0:\n"
// "texColor = texture(u_Texture[0], v_TextCoord);\n"
// "break;\n"
// "case 1:\n"
// "texColor = texture(u_Texture[1], v_TextCoord);\n"
// "break;\n"
// "case 2:\n"
// "texColor = texture(u_Texture[2], v_TextCoord);\n"
// "break;\n"
// "case 3:\n"
// "texColor = texture(u_Texture[3], v_TextCoord);\n"
// "break;\n"
// "case 4:\n"
// "texColor = texture(u_Texture[4], v_TextCoord);\n"
// "break;\n"
// "case 5:\n"
// "texColor = texture(u_Texture[5], v_TextCoord);\n"
// "break;\n"
// "}\n"
"texColor = texture(u_Texture[0], v_TextCoord);\n"
"int vTextInd = int(round(v_TextureIndex));\n"
"switch(vTextInd) {\n"
"case -1:\n"
"texColor = vec4(1, 1, 1, 1);\n"
"break;\n"
"case 0:\n"
"texColor = texture(u_Texture[0], v_TextCoord);\n"
"break;\n"
"case 1:\n"
"texColor = texture(u_Texture[1], v_TextCoord);\n"
"break;\n"
"case 2:\n"
"texColor = texture(u_Texture[2], v_TextCoord);\n"
"break;\n"
"case 3:\n"
"texColor = texture(u_Texture[3], v_TextCoord);\n"
"break;\n"
"case 4:\n"
"texColor = texture(u_Texture[4], v_TextCoord);\n"
"break;\n"
"case 5:\n"
"texColor = texture(u_Texture[5], v_TextCoord);\n"
"break;\n"
"}\n"
"o_Color = texColor * v_Color;\n"
"}\n"
);

1
src/dawnopengl/display/shader/UIShader.hpp
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@@ -15,6 +15,7 @@ namespace Dawn {
glm::vec4 uv;
struct Color color;
float_t texture;
glm::vec3 padding;
};
struct UIShaderData {